210 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



35415. Cythere dorsicornis Ulrich and Bassler. Holotype. 



Calvert (Miocene). Plum Point, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 113, 

 pi. 36, fig. 16. 



35416. Cythere dorsicornis bicornis Ulrich and Bassler. Holotype. 



Choptank (Miocene). Pawpaw Point, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 114, 

 pi. 38, figs. 32-33. 



35417. Cythere evax Ulrich and Bassler. Cotypes. 



Calvert (Miocene). Plum Point, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 119, 

 pi. 36, figs. 6-S. 



35418. Cythere evax oblongula Ulrich and Bassler. Cotypes. 



Calvert (Miocene). Plum Point, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 119, 

 pi. 36, figs. 9, 10. 



35419. Cythere exanthemata Ulrich and Bassler. Cotypes. 



Calvert (Miocene). Plum Point, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 117, 

 pi. 36, figs. 1-5. 



35420. Cythere francisca Ulrich and Bassler. Holotype. 



Choptank (Miocene). Peach Blossom Creek, three miles 

 southwest of Easton, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. no, 

 pi. 38, figs. 19-21. 



35421. Cythere inaequivalvis Ulrich and Bassler. Cotypes. 



Calvert (Miocene). Plum Point, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 101, 

 pi. 35, figs. 15-17. 



35422. Cythere lienenklausi Ulrich and Bassler. Holotype. 



Calvert (Miocene). Plum Point, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 114, 

 pi. 38, fig. 31. 



35423. Cythere martini Ulrich and Bassler. Cotypes. 



Calvert (Miocene). Plum Point, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 112, 

 pi. 36, figs. 11-15. 



41803. Cythere marylandica Ulrich. Holotype. 



Eocene. Sunnyside, Maryland. 



Ulrich, Maryland Geol. Surv., Eocene, 1901, p. 119, pi. 16, figs. 

 16-18. 



35424. Cythere micula Ulrich and Bassler. Cotypes. 



Calvert (Miocene). Plum Point, Maryland. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 116, 

 pi. 36, figs. 18-20. 



